Finding the Third Proportional to 64,283.50 and 131,699

Step by Step Solution

1. Step 1: Write the proportion equation
   64,283.50 : 131,699 = 131,699 : x
2. Step 2: Convert to fraction form
   64,283.50/131,699 = 131,699/x
3. Step 3: Cross multiply
   64,283.50x = 131,699 × 131,699
4. Step 4: Simplify right side
   64,283.50x = 17,344,626,601
5. Step 5: Solve for x
   x = 17,344,626,601/64,283.50
6. Step 6: Final answer
   x = 269,814.60